;-- M. Hielscher / Chr. Wagenknecht / V. Berger -- (define random-maker (let* ((multiplier 48271) (modulus 2147483647) (apply-congruence (lambda (current-seed) (let ((candidate (modulo (* current-seed multiplier) modulus))) (if (zero? candidate) modulus candidate)))) (coerce (lambda (proposed-seed) (if (integer? proposed-seed) (- modulus (modulo proposed-seed modulus)) 19880214)))) (lambda (initial-seed) (let ((seed (coerce initial-seed))) (lambda args (cond ((null? args) (set! seed (apply-congruence seed)) (/ (- modulus seed) modulus)) ((null? (cdr args)) (let* ((proposed-top (ceiling (abs (car args)))) (exact-top (if (inexact? proposed-top) (inexact->exact proposed-top) proposed-top)) (top (if (zero? exact-top) 1 exact-top))) (set! seed (apply-congruence seed)) (inexact->exact (floor (* top (/ seed modulus)))))) ((eq? (cadr args) 'reset) (set! seed (coerce (car args)))) (else (display "random: unrecognized message") (newline)))))))) (require-library 'sisc/libs/srfi/srfi-19) (import srfi-19) (define random (random-maker (time-nanosecond (current-time))))
;(define RandomSeed 123456789) (define zufallszahl (lambda (max) (+ 1 (randomint max)))) (define zufallsliste (lambda (max anz) (if (= anz 0) () (cons (zufallszahl max) (zufallsliste max (- anz 1))))))
(zufallsliste 100 20)
ausführen
